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Known for its exceptional properties and features, S235JR Square Tube is widely used in several industries and applications. These are one of the most demanding products manufactured by the leading manufacturer and supplier CHINA UNITED IRON AND STEEL LIMITED. Being the most reputed and leading manufacturers we make sure that all our products are of high quality and offer the best performance. These square tubes are manufactured keeping in mind the set up industrial norms and requirement of customers.
Well, if we talk about the material then the raw material used for manufacturing these tubes is purchased from the best market vendor. We test and inspect the material so that it can perform its best in the respective areas of working. In addition to it, advanced technology and latest machines are used for manufacturing these tubes. With it, national as well as global specifications are added to the material for creating a high quality of tubes. We provide our customers with square tubes in different shapes and sizes as per the demand and requirement.
Product details
Talking about the grade that is S235JR is a non-alloy structural steel that is widely used for manufacturing steel products. Due to its high tensile strength and other mechanical properties this it is considered as one of the best grades of industries used for manufacturing. These square tubes are known best for their high tensile strength, durability, workability, long functional life, formability, dimensional accuracy, and ductility. They are even designed in such a way that it can easily fulfill the needs of a variety of applications.
Testing and packaging
To know the quality and performance of these tubes, numerous inspections and tests are performed. All these tests and inspections are done at different temperatures and environment. The tests include flaring test, third-party inspection, visual inspection, macro, and micro test, flattening test, radiography test. There are some more tests done like a destructive test, non-destructive test, chemical composition analysis and more.
The entire testing process takes place under the strict supervision of experts for which test certificates are approved. At last, S235JR Square Tube is packed in bundles that helps prevent rust and other uncertain damages.
S235JR Steel Square Tube Specifications:
S235JR Steel Square Tube Specifications:
| Product Type | EN-10025-2 Grade S235JR square Tube |
| OD | 15x15mm-600x600mm / 20x30mm-600x800mm |
| Wall Thickness | 1.2mm-20mm, SCH30,SCH40,STD,XS,SCH80,SCH160,XXS etc. |
| Length | Less Than 12m |
| Steel material | Q195 → S235JR |
| Standard | BS EN10296,BS EN10025,BS EN10297,BS6323, BSEN10219,BSEN10217,GB/T13793-1992,GB/T14291-2006, GB/T3091-1993,GB/T3092-1993,GB3640-88 |
| Usage | Used For Structure, Accessorize And Construction |
| Surface Treatment | Bared, Black Painted (varnish coating), Galvanized, With Oiled, 3 PE, FBE, corrosion resistant coating |
| Technique | Electronic Resistance Welded (ERW ), Electronic Fusion Welded (EFW) |
| Section Shape | Square and rectangular |
| Package | Bundle, In Bulk, Bags square galvanised steel hollow section tube, Clients’ Requirements |
| USA | Germany DIN,WNr |
Japan JIS |
France AFNOR |
England BS |
Canada HG |
European old EN |
Belgium NBN |
Spain UNE |
| 1015 A283C SSGr.33 |
RSt37-2 St37-2 |
SM400A SS400 |
E24-2 | 40A 40B |
230G | Fe360B Fe360BFN S235JRG2 |
AE235B | AE235B-FN |
|
C
|
Mn
|
P
|
S
|
N
|
Cu
|
CEV
|
|
max 0.2
|
max 1.4
|
max 0.04
|
max 0.04
|
max 0.012
|
max 0.55
|
max 0.38
|
| Minimum yield strength Reh MPa |
Tensile strength Rm MPa |
Minimum elongation – A Lo = 5,65 * √So (%) |
Notch impact test | |||||||||||
| Steel grade | Nominal thickness mm |
Nominal thickness mm |
Nominal thickness mm |
Temperature | Min. absorbed energy | |||||||||
| ≤16 | >16 ≤40 |
>40 ≤63 |
>63 ≤80 |
>80 ≤100 |
>100 ≤125 |
>3 ≤100 |
>100 ≤125 |
>3 ≤40 |
>40 ≤63 |
>63 ≤100 |
>100 ≤125 |
°C | J | |
| S235JR | 235 | 225 | 215 | 195 | 360-510 | 350-500 | 26 | 25 | 24 | 22 | +20 | 27 | ||
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